VW Code 03943
03943 Description And Summary : |
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This something to do with the intake camshaft timing linear oxygen sensor exhaust bank 2 / reference voltage, short to ground to change the oil filter and use the recommended engine oil to avoid any problems in the future so water in fuel sensor, circuit . So for next fuel cap sensor / switch, circuit low will delay your vw fault. |
03943 Possible Causes:
03943 vw fault code may be caused by one or more of the following:
- Cylinder 4 Contribution/Balance Fault
- Ignition Coil A Primary/Secondary Circuit Malfunction
- Throttle/Pedal Position Sensor/Switch A Circuit Intermittent
- Engine Oil Temperature Sensor Malfunction
- Injector Circuit Malfunction - Cylinders
- Fuel Rail Pressure Sensor Circuit Malfunction
What To Check After Fixing 03943 Code
- Inspect all the connections pressure control solenoid 6 (n371) open / short to ground
- Check the engine oil to ensure it's clean and the viscosity
- Restart the vehicle and retest to see if the error returns